翻譯句子.過去我不會打網球,但是我現在會了、I____ ______ _____ in the past,but now

題目：

翻譯句子.
過去我不會打網球,但是我現在會了、
I____ ______ _____ in the past,but now I_____.
如果你盡力你會取得更好的成績,
You can ____ _____ ____if you____ ____ ____.
單句改錯.
We can by a bus at the school gate.
What a good news it is!
The tallest man an history was 2.6 metres high.

解答：

1.couldn't play tennis can
2.get good grades do your best
3.by改成take
4.去掉 a
5.an改成in